Notification appliance



FIG. 1 is a perspective view of a notification appliance;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a first end view thereof;

FIG. 6 is a second end view thereof; and,

FIG. 7 is a back view thereof.

The broken lines illustrate portions of the notification applicationthat form no part of the claimed design.

CLAIM The ornamental design for a notification appliance, as shown anddescribed.